A randomized 25 question test from a pool of 761 questions, good luck!
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the manipulation process control inputs?
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the input registers addresses?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that the scanner module receives information communicated digitally from up to 63 supported devices?
Which of the cables below is best used for the trunk cabling of the DeviceNet transmission system?
Which of the terms below can be best described as supplies the individual devices with data and power from the trunk line in an H1 transmission system?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in visual indications of data?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to read the input status of coils on a slave device ?
Which of the signal transmission modes is best described as one that uses modulation to convert a received signal?
When manually assigning addresses in IPv4, which of the answers below contains the complete list of the main parameter(s) needed?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as allowing the operators to interact with the GUI?
Which of the answers below represents one of the types of cables not available for use in a Foundation fieldbus H1 transmission system?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below can be used if an interpretation of the plant can approximate its state?
Which of the answers below best represents the first bit sent in a RS-232 asynchronous frame?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255.0.0.0, which of the classes below would be used?
Which answer below best represents the number of spur cable connections in a standard H1 transmission system junction box with 6 connections available?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the block does not support a cascade path and the value quality is good?
To communicate with a process control system, a network interface adapter is required. Which of the answers below would satisfy the minimum number of network adapters required?
A typical DCS has at least four layers in it's architecture. Valves, switches and transmitters are all under the direct control of which of the layers below?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as aggressive upset conditions that would require operator intervention within an appropriate time period?
Which of the network components below combines two or more smaller networks working within the ISO physical and data layers?
In IPv4, if you are using a static IP address assignment, which of the actions from the answers below, are you preforming?
Which of the messaging methods is best described as one that can only be initiated by the link master in the H1 transmission system?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow observation and control of the plant?